#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cstdlib>
#include<vector>
#include<map>
#include<queue>
#include<string>
#include<sstream>
#include<cmath>
#include<numeric>
using namespace std;

int main(){

  int a, b;
  cin >> a >> b;

  if( a > b ) cout << "-" << a-b << endl;
  else if( a < b ) cout << "+" << b-a << endl;
  else cout << 0 << endl;

  return 0;
}